collateral noun adjective Stress: second syllable 🤍 Save Syllables: col-lat-er-al (4) English Definition Something pledged as security for repayment of a loan. Example Sentence He used his house as collateral for the loan. US IPA /kəˈlætərəl/ 🔊 Listen US UK IPA /kəˈlætərəl/ 🔊 Listen UK Synonyms security guarantee pledge surety Share this Word Facebook WhatsApp X Telegram Copy Link